mercurial
adj. (指人)反复无常的; 水银的; (指人或性质)灵活的; 易变的
If you describe someone as mercurial, you mean that they frequently change their mind or mood without warning.
...his mercurial temperament.
他那反复无常的脾气
1. liable to sudden unpredictable change;
2. relating to or containing or caused by mercury;
Meanwhile, his mercurial character has only got more erratic.
同时, 喜乐无常的个性使小泽变得更加难以捉摸.
Mercurial Stone can now be put into Gem Bags.
水银石现在能放置在宝石包中.
Wealth and power can be fleeting, family bonds tenuous , status mercurial.
财富权力转眼成空, 家庭关系淡薄如纸, 名望地位飘忽不定.
She has a mercurial turn of conversation.
她谈话善转话锋.
A mercurial barometer has a glass tube a little more than 30 inches long.
水银气压表有一长30英寸多一点的玻璃管.